Frequencies for first 10,000 rows of rsdnt_pgm_aoa_aprvd_sw variable in pos1999 dataset :

   resident |
    program |
approved by |
        aoa |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,885       88.85       88.85
          N |      1,102       11.02       99.87
          Y |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017